65280460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1951}}^1$

素因数の和:2206

約数の個数: 48

約数和(自身を含む): 157409280

約数和(自身を除く): 92128820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 1951, 2390, 3346, 3902, 4780, 6692, 7804, 8365, 9755, 13657, 16730, 19510, 27314, 33460, 39020, 54628, 68285, 136570, 273140, 466289, 932578, 1865156, 2331445, 3264023, 4662890, 6528046, 9325780, 13056092, 16320115, 32640230, 65280460]

約数ペア:

[(1, 65280460), (2, 32640230), (4, 16320115), (5, 13056092), (7, 9325780), (10, 6528046), (14, 4662890), (20, 3264023), (28, 2331445), (35, 1865156), (70, 932578), (140, 466289), (239, 273140), (478, 136570), (956, 68285), (1195, 54628), (1673, 39020), (1951, 33460), (2390, 27314), (3346, 19510), (3902, 16730), (4780, 13657), (6692, 9755), (7804, 8365)]